October Weather in Harvey, United States

Last updated: June 24, 2025

In October, the average temperature in Harvey, United States hovers around 9°C (48°F). Expect a range from a chilly -4°C (26°F) at the lowest to a warm 23°C (74°F) at the highest. Be prepared for 128 mm (5.0 in) of precipitation spread over about 16 days, and keep in mind the average humidity of 83% that enhances the overall dampness of the month.

October Temperature in Harvey

In October in Harvey, the average temperature is 9°C (48°F), with maximums reaching 23°C (74°F) and minimums dropping as low as -4°C (26°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort during their visit.

October Weather in Harvey: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Harvey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harvey, October typically has an average temperature of 9°C (48°F), with highs reaching up to 23°C (74°F) and lows dropping to around -4°C (26°F).

Data source: Temperature data for Harvey generated using information from the Copernicus Climate Change Service.

October Precipitation in Harvey

In Harvey in October, the precipitation amount is 128 mm (5.0 in) spread over 16 days.

October Precipitation Trends in Harvey

The chart displays monthly precipitation patterns in Harvey, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Harvey, October typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Harvey

In Harvey in October humidity is 83%. With an average temperature of 9°C (48°F), this humidity feels like an enveloping blanket, making outdoor activities quite uncomfortable and encouraging travelers to seek shelter or shade frequently.

October Average Humidity in Harvey

This chart illustrates the average monthly humidity levels in Harvey, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Harvey is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Harvey

In Harvey in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Harvey.

Maximum UV Index Levels in Harvey for October

The chart shows the monthly maximum UV Index (UVI) for Harvey in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Harvey typically reaches 5, which falls under the moderate exposure category.

Data source: Harvey October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How October Weather in Harvey Compares to Other Months

Weather in Harvey varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Harvey, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Harvey, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	47 mm (1.8 inches)	92%	low
February Weather	-7°C (19°F)	62 mm (2.4 inches)	92%	moderate
March Weather	-2°C (28°F)	59 mm (2.3 inches)	88%	moderate
April Weather	2°C (36°F)	94 mm (3.7 inches)	86%	high
May Weather	8°C (47°F)	73 mm (2.9 inches)	77%	very high
June Weather	14°C (57°F)	97 mm (3.8 inches)	74%	very high
July Weather	19°C (66°F)	78 mm (3.1 inches)	71%	very high
August Weather	18°C (65°F)	99 mm (3.9 inches)	72%	very high
September Weather	15°C (60°F)	98 mm (3.9 inches)	75%	high
October Weather	9°C (48°F)	128 mm (5.0 inches)	83%	moderate
November Weather	1°C (35°F)	79 mm (3.1 inches)	86%	moderate
December Weather	-3°C (26°F)	68 mm (2.7 inches)	90%	low